Plectropomus laevis

Illustration: Bloom by Day
The big coral trout, and it comes two ways: a pale "footballer" with black saddles and yellow fins, or a grey fish with a dark head, five saddles and small blue spots. It holds a few metres off the coral watching you sideways, and unlike the common coral trout it rarely lets a diver get close twice.
Rules change. Check before you dive.